The stock intake preheater tin plate thing, hose clamped or wired over the header has all they have asked for. The sound got deep and tough and waaaay quieter, to my surprise. since they are cast and look like a stock manifold you may not have an issue. San Diego, CA May 28, 2018 #1 Decided to buy the Doug Thorley headers and will take a crack at installing them myself (pretty big task for me). Installing the DT Headers would be a substantial increase in power. 4.27 out of 5 stars They are not as good of quality and are NOT STREET LEGAL. The header works my EGR fine too. Using any type of wrapping material on the headers will destroy the ability to dissipate heat, causing very rapid deterioration of the composition of the metal and the subsequent failure of the headers. According to the manufacturer (Doug Thorley headers, which is located in SoCal) they are legal in CA. Perhaps your exhaust is too straight with too much free flow. If anything replacing leaking headers would improve your emissions. Model #THY-563Y-LS-C. . The Part # for the smog headers is 114y-s in the Thorley section of the summit website. Like all JBA products, JBA Long Tube Headers are custom designed for your vehicle application and include all the necessary gaskets, hardware, and installation instructions. Call him up if you have any questions ask for Nick Mr T body, Nov 17, 2007 SHARE POST #4 SoCalCarCulture BANNED from Orange County, CA JavaScript is disabled. . 2008-2012 Pontiac G8 GT 6.0L-6.2L Long Tube Tri-Y Headers. Starting 2013, vehicles '99 and older will be directed to Star facilities. No smog checks there and everything's legal. Showing all 5 results Free shipping ** aFe Exhaust, Cat Pipe, 05-15 Tacoma . Closed Now. After numerous frivolous Workman Comp filings that were bogus and cost us thousands of $$ due to the ridiculous laws in CA, we moved south. JBA Long Tube Headers are the number one choice for maximum performance gains and high RPM efficiency. Title: Executive Order D-200-10 Doug Thorley Headers, Inc. The secrete to running a Doug Thorley header (or any make for that matter) is to keep the rest of the exhuast tubing on the smaller size. Doug Thorley Headers - Free Shipping on Orders Over $99 at Summit Racing Welcome My Account Order Status Wish List Savings Central Shop by Brand Shop Your Passion Shop Your Passion Truck / SUV Jeep Gifts, Clothing, & More Restoration Stock Replacement Late Model Muscle Tools Circle Track Street Rod Powersports Paint & Body Marine Jr Dragster Thanks for letting me/everyone know that Unichip and Underdog racing are the options. The Doug Thorley Headers are not street legal in California. Estimated International Ship Date: The tuner company will send you back your tuner and you can plug it in. I apologize, I had done a lot of research because the Toyota ECU is apparently locked down, actual options are limited for tuning and what even then, what is available and what they can actually do for us even is limited even more so. 2" tubing is just NOT needed with a stockish 1.3L motor. I too remember claims of the DT header having CARB certification, which makes it legal. warped parts or damaged parts. Reviews; This product is for Racing Competition only and is not legal for use in highway or street vehicles or other non-racing competition off-road vehicles. http://afepower.com/products?year=2006&make=Toyota&model=Tacoma&fuel_type=Gas&engine=V6-4.0L, https://www.dmv.ca.gov/portal/dmv/?ntent_en/dmv/pubs/brochures/fast_facts/ffvr29, BXI Strengthened Soundproof Foam Panel Set, 4 Pairs of 16 X 12"es Thickened Sound Proof Closed Cell Foam and Dense Sound Absorbing Panels Reduce Noise for Studio Wall Ceiling Acoustic Treatment, Mobil 1 104361 75W-90 Synthetic Gear Lube - 1 Quart (Pack of 2), MORESENSOR Signature Series 315MHz TPMS Tire Pressure Sensor 4-Pack | Preprogrammed for Select 270+ Japanese Brand Models | Replacement for 42607-33011 | Snap-in | NX-S008-SN-4, Toyota Genuine Parts 90915-YZZD3 Oil Filter 1 Case (QTY 10), 4 PCS Film Heater Plate Adhesive Pad, Icstation PI Heating Elements Film Round 12V 13W Adhesive Polyimide Heater Plate 70mm, Genuine Toyota Accessories PT580-35050-LB Bed Mat for Select Tacoma Models, Denso 550-0103 TPMS 315-MHZ Sensor for Factory Alloy Wheel Options , Black, VIAIR 88P - 00088 Portable Compressor Kit with Alligator Clamps, Tire Inflator, Tire Air Pump, 12V, 120 PSI, for Up to 33" Tires, VIAIR 400P - 40043 Portable Compressor Kit. Even with that I am not sure if it would throw a CEL. $1,054.60. Headers work by eliminating the manifolds back-pressure. Finish is shiny, but not chrome. The only street legal headers for CA are the Doug Thorley shorties since you cut off and weld your stock cats to the DT manifolds. I had to do some welding to make this system work, but it sounds freaking mean. Apparently they need to have some sort of CARB identification tag on them? 1220 Railroad St, Corona, California 92882 USA. Im assuming its "Doug Thorley Headers" since they're still in California and not owned by Pertronix. approval comes in. Will I still be able to pass smog in Texas? Unless I could get some new heat shields and make it look stock. 4 Photos. Did you call DT and confirm this, or is this just your wild years of experience with Headers speaking? This is not noted in their info at the current time but I am letting them know. You are browsing camaro5 Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com > Engine | Drivetrain | Powertrain . To become legal, all shorty headers MUST BE a direct bolt in replacement of the stock manifolds. JBA works with the California Air Resources Board (C.A.R.B.) Will let you know in a couple of weeks, after I tune the puppy. Excellent workmanship. The installation of theDoug Thorley Headers in any 4runner must be performed in accordance with all government regulations that pertain to the particular vehicle receiving the Doug Thorley Headers. If you are eliminating Cats, you need simulators. Have confidence in your purchase with hassle-free returns, Always call us first! Manage Preferences - Here's where DT website says all their stuff is 50 state legal: This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register. When you purchase through links on our site, we may earn an affiliate commission, which supports our community. Mar 20, 2023 The first step in creating an efficient and powerful exhaust system is the addition of a set of premium headers. 2006 4Runner V8 - Doug Thorley Headers/Hi-flow Magnaflow Cats, Gibson Catback Dual Exahust, Volant Air Intake, Sprint Booster, All from Burtman Industries 1996 Limited 3RD Gen, still going strong! Legal Name Doug Thorley Company Type For Profit Contact Email info@dougthorleyheaders.com Phone Number 951-739-5900 Lists Featuring This Company Greater Los Angeles Area Retail Companies 3,561 Number of Organizations $8B Total Funding Amount 823 Number of Investors Track California Shopping Companies collector rings and with a nickel chrome plated finish for a great look. Informative info WITH PICTURES. For a better experience, please enable JavaScript in your browser before proceeding. Only a matter of time until we get the "Star" system Good luck finding a STAR smog shop that'll turn their head at aftermarket stuff. Please register or login to enable Dark Mode. Archive - Remove Ads. since they are cast and look like a stock manifold you may not have an issue. Would love some tips for the install if you guys have any. Doug Thorley headers to be exact. My last header died after about 8 years of hard on and off use. Right now, I have a Borla catback and an aFe Y pipe on the 2010 4Runner. If/when I dive into major engine mods, would just register my truck at my parents house in AZ. It hasn't given me any issues with the EGR for the 10 years that I've had it. He said he didn't know him, so he must work for her at Thorleys. Choosing a selection results in a full page refresh. For my 93 pickup I've had to do both star testing and regular smog. Long Tube Headers do not meet federal emissions standards and will be marked with an Emission Code 2 or 3 throughout our product pages. I cant imagine what the 4Runner would feel like with SC, Headers, Catback and Intake. ( 1 ), Headers, Shorty, Steel, Painted, Ford, Pickup, SUV, 5.4L, Pair, 3.58 out of 5 stars Tyler, Yeah, I will get the link posted in the article, my bad. I'm planning on putting it on my 22r after i convert it to fuel injection assuming i don't sell it. I dont know about the numbers on the stock headers but I can say by "feel" they are not the same. This system, as is, passes the smog check in TX. Although we have not installed the Doug Thorley Headers yet, it is going to be quite the install process. Estimated International Ship Date: Thank you all for your feedback. man, if you were a week earlier you would have saved me $200. Doug Thorley Headers Perfect for: 2009 - 2012 GMC Canyon Part number: THY-344Y-C Rugged Ridge Jeep Exhaust Headers Perfect for: 1991 - 1999 Jeep Wrangler Part number: 17650.01 JBA Cat4ward Headers Perfect for: 2004 - 2015 Nissan Titan Part number: 6400S Kooks Street Headers Perfect for: 1998 - 2002 Pontiac Firebird Instagram Live Feed. 4 17168-50090 heat shield left $51.20 $38.40. Today, Headers, Street, Long Tube, Steel, Temporary Paint, Ford, 351W, Pair, 4.29 out of 5 stars Installation requires cutting the front catalytic converters from the stock manifold and welding them on to the new performance headers. Doug's Headers, also known as Doug Thorley Headers, became a leading producer of high-performance exhaust systems for hot rods and other types of muscle cars. They pack a serious punch where your current exhaust system is lacking. Instead of sharing a common manifold, each cylinder gets its own exhaust pipe. Camaro V8 LS3 / L99 Engine, Exhaust, and Bolt-Ons, Camaro5 Chevy Camaro Forum / Camaro ZL1, SS and V6 Forums - Camaro5.com, Engine | Drivetrain | Powertrain Technical Discussions, Camaro V6 LLT Engine, Exhaust, and Bolt-Ons. Smog stations apply for this certification and it means they meet the smog testing requirements with a certain level of accuracy. Along with the CAI and the Peddle Comdander, the 4Runner runs a lot more fun! When it comes to power on a 4Runner, well theres not much of it. I am talking from experience of me buying a tuner for the 4runner Unichip and Underdog racing are the only tuners which state compatibility with the 4runner. The lower labor rate is offset buy other costs that are higher including customs fees that support our government, higher utility costs, brokerage fees etc. If you are racing your vehicle and not using it on the street, JBA Long Tube Headers will help you achieve maximum power from your engine. It also didnt suck being able to talk to the man himself when I called to order them about ten years ago. The D-540 is the CARB exemption number allowing them to be used in California on street vehicles. Doug Thorley and Jardine are together in Corona, CA. Underdog Racing Development; Doug Thorley; JBA Headers; Suspension. Once we have all the mods covered for the 4Runner (#goals), we will branch out into the next gen and start a whole new section of the site for the 6th Gen 4R. Only time I ever failed smog was due to a bad CAT. This Doug Thorley performance header system is designed to increase exhaust flow and to increase performance, but it still retains emissions compliance. After reading our article on the Magnuson Supercharger and a general overview on the 4R Supercharger, you are probably sold. I have one Doug Thorley Header for a 22r. Let me know what you want for it. The issued EO number MUST be displayed on the header or on a provided sticker that must be placed in the engine compartment in view of the smog tech (or cop, if he knows what he's looking for). The ones for the f250 will fit. Thanks. 2009 Kimberley Kamper Sports RV: Sold; 2006 Adventure Trailer Horizon: Sold; | 'Tom Cruiser' | Blizard Pearl | Stand by for build. Doug Thorley Headers. Throttle Tuning; . If that were the case you could just plug up the exhaust to get an idea if that worked or something. Privacy Statement - Summit Racing will BEAT any competitor's advertised price! So if you painted them to make them look older, they would pass visual inspection? Thanks for your great site. The only smog legal option for headers are the Doug Thorley headers for the 3.0 L. Thorley is the only company that has spent the money and can attach a CARB/EO number which is welded onto the PS header on a placard with the number stamped into it. Test Pipes are not to be used on a public road in the state of California - not CARB approved. Bare stainless finish. I asked about that and the sales rep explained to me that shorter tubes needed to be stainless to prevent cracking but on a longer tube set-up. Apr 3, 2023 As always, we will keep you posted. Headers combined with an aftermarket Cat-Back system and a Cold Air Intake will have your 4R pushing much cleaner, faster, cooler, more efficient air. Bad diaphram? Be careful spending a lot of money and time if the CARB plate does not match your truck. Reply With Quote 12-09-2018, 12:06 PM #39: TCity. Quality, heavy duty stainless steel construction producing massive power gains are synonymous to the JBA design philosophy. He passed away peacefully at his home in . It was thin wall steel. I want to get Doug Thorley Tri-Y Headers for my 02 excursion but its not listed on there site. Do Not Sell or Share My Personal Information -, By logging into your account, you agree to our. I bought Doug Thorley headers part # THY-214Y-FI4-C. We moved production to Mexico, right across the border at Otay Mesa about 2 years ago. ( 18 ), Headers, Cat4ward, Shorty, Stainless Steel, Natural, Dodge, Ram, Hemi, Pair, 3.75 out of 5 stars Advertising - Since skyman seems to have seen dyno results comparing the 1.6 8v manifold vs a thorley and it's close, why not try one? Ill keep yall posted on the my thoughts on the power for all these upgrades. Do you recommend a DT U/Mid Pipe? DT recommended the Diablo Tuners, check them out for more information. Doug Thorley Headers 05-2013 Nissan 4.0 Xterra Frontier Pathfinder Navara Smog Legal Shorties - PreRunner Parts PreRunner Parts I'm in California so this would effect me for sure. Estimated International Ship Date: Tri-Y (or 4 into 2 into 1) style headers by design will increase the power of your motor across the widest RPM band possible. Thanks MTPZ06. clogged port? as they are pending E.O.# and won't be a problem. Because they're setup for the streets, Thorley Headers also feature the hardware and custom flanging to be 50-state smog legal (some shortie applications). We've sent you an email with a link to update your password. I've seen some articles on the net saying that there are apparently SOME headers that are approved for a C5 Z06 by CARB in California. (201), In Stock, Including at a Supplier. Made from 1.75" x .120" DOM mild steel tubing. The Thorley header is THE ONLY street legal header on the market! However, these parts are not 50-state emissions-legal. The car is fast. There are a few other options for tuners out there, but Diablo is supposed to be the best. Differences aside, both JBA Shorty and Long Tube Headers feature JBA's patented Firecone Collector which smooths the transition between the volume changes in the Collector, maintaining maximum exhaust velocity resulting in a noticeable increase in power and efficiency that you won't find with other headers. Primary Tube O.D., 2.000 in. The Fora platform includes forum software by XenForo. That combined with an intake and exhaust would be awesome. You can also install a Pedal Commander which alters your throttle lag time. ( 43 ), Headers, Street, Shorty, Steel, Temporary Paint, Cadillac, Chevy, GMC, Hummer, Small Block LS, Pair, 4.66 out of 5 stars Stainless steel is stronger than mild steel and minimizes exhaust noise. I thought DT headers were smog approved. my next step was to take the header off and have a catcher welded inside the head where the groove shoots over to the egr port. Thanks guys. WOW. You know its wrong to do, but eventually you put your tongue on it. Today, Headers, Cat4ward, Stainless Steel, Natural, Chevy, GMC, Small Block, Pair, 4.88 out of 5 stars Let's face it, you are not going to get pulled over in your 4Runner for it "sounding different". Why does Diablo Sport not even mention the Toyota on their site? I live in san diego and have a Thorely headder. Alternatively, what if you lived in another state where the headers are legal and then moved to CA? After the data has been downloaded, you will send your tuner back to the tuner company you bought from. Doug Thorley (1 . ( 41 ), Estimated USA Ship Date: Those results are sent back to CARB for review, then as long as the car passed, which it usually does with shorty headers, CARB will issue the EO number for the headers and they are now legal. E.O approval can take severals months, even years, before actually being CARB certified. I've been looking for one. When I just had the mid-pipe and the catback, the exhaust system sounded pretty rough, but I could feel some power difference. The Dougs headers have been worry free. They will use the existing OBDII to test the emissions. Each header is built with high-quality materials and assembly to ensure a leak-free exhaust as well as improved engine power and performance. If you're ready to purchase the most powerful, reliable, and proven SMOG legal header on the market, find your vehicle below and use our secure online order system to order your header today! International Customer Options|In the United States? Talk to the experts. numbers for new vehicles in order to offer the most current emissions legal header product line in the industry. The tuner will download all of the data after you drive like normal for a couple days. As far as legality issues in CA Ive never needed a sticker or tag. I'll probably be picking up a set of doug thorley's once their E.O. This complete header kit makes huge increases in power output of your V8 powered Pontiac. Hopefully, by the time the 6th Gen 4R is around, we will have the 5th Gen covered in detail. I just moved here from Washington state. Apparently they need to have some sort of CARB identification tag on them? If it passes smog, who would know? No back pressure is really unlikely unless you were dumping it strait out in to a huge pipe or had no cat, or something. Quote THE MENACE. Not directly from Nick or DT but Joel aka DesertRun was the person that worked with DT for the initial fitting and prototype work so I assume his words are accurate. Toy, 4.3, 4l60, d300, tons, 38's, Trail Slut. So, it is important to get a tuner after your install yourDT Headers. We offer a variety of SMOG Legal CAT4Ward Shorty Headers and racing Long Tubes to suit most car, truck and SUV applications. Website says for 2005-2015 2.7. Estimated International Ship Date: $859.95. stock 1.6 8v exhaust manifold puts out within 1HP of the thorley on the dyno. Doug Thorley only makes long-tubes for the 3.3L and they make short and long for the VQ40DE. I probably have about 500 miles on them. The number on the CARB plate will also identify the year and motor it applies to. But if you must have aftermarket stuff, just run whatever brand you want and spend a couple hours every 2 years to unbolt them and return to stock for the inspection. Where do you get this info???? Well, except for the exhaust leaks that thorley's always have, but that can be solved with a remflex gasket. Off Road; Lowering Kits; Electronics. Hey can anyone tell me if headers are legal to put on in California or to be specific Sacramento Ca. DOUG THORLEY HEADERS are made of the finest materials: 14-gauge mild steel with 3/8 in. LOVE my Magnaflow! But this STAR smog program potentially puts my LC in jeopardy too. Thursday 3/2/2023 Of course the original headers didn't have the ceramic coating either but because the original Doug Thorley Headers were of such good quality, at least two sets of these headers exist to this day without having rusted or . Our cost of finished goods did not go down because of this move. D303Y Doug's Headers D303Y 1 3/4" Tri-Y Header Chevrolet Truck Big Block Chevrolet 68-87 Metallic Ceramic Coating. So where would I get it done? Copyright 2023 Trail4Runner.com Trail Made Co. |, Diablo Tuners, check them out for more information, http://www.dougthorleyheaders.com/2013-14-toyota-fj-cruiser13-17-4runner-4.0l-long-tube-headers_15781. Login to place an order, check order status, and view order history. Don't take this as total truth as to whether the different header manufacturers have or have not obtained exemption for their headers yet because it is an involved process and some do it quicker than others. Parts For Sale, Started by halfxspaid Gary. Post Reply. The Doug Thorley Headers are not street legal in California. ( 79 ), Estimated USA Ship Date: I highly recommend them. Is there a difference with the 1.6 16v stock header because I have one from my 1.6 engine. Adding the Long Headers was the clincher. , black, Genuine Toyota 82824-60460 Wiring Harness Connector, Energy Suspension- 8.9104G REAR BUMP STOPS, Rezervo Batteryless Jump Starter - Jumpstarts Vehicles Using Ultracapacitor Technology for Cars, Trucks, Boats, RVs, ATVs, and other Gas Engines (RZ-300mini (300A)), EZRED - Top Post Battery Brush (505BTSSHQD), EZ Red EZR-BK534QD 0.75 in. What did I (or you) miss since posting this? Rob Churney VR Tuned robc@vividracing.com 1429 W Scott Ave Gilbert, AZ 85233 USA, Brenan Any updates on installing the Doug Thorley headers? Performance expectations? More compact fit, 14 gauge, coated inside and . Mar 13, 2023 That the installation of Thorley Headers manufactured by Summit Industries, Inc. of 1220 Railroad Street, Corona, California 92882, has been . Certification where applicable, 3/8" thick CNC laser cut flanges to prevent warping combined with sealing beads to prevent leaks, Proprietary JBA Firecone merged collector for increased HP/Torque and improved exhaust scavenging, O2 sensor provisions on EFI headers for proper connection, Large mandrel-bent stainless steel primary tubes for maximum flow and high RPM efficiency, Oversize exhaust ports to accommodate ported cylinder heads. let me know, 1993 4door s10 Tahoe. Now I can't even find them on their websiteodd. Apr 17, 2023 Doug Thorley Headers Here's a place advertising those headers, they claim as 50 state legal. Are there any other parts that I need to purchase separately? Are try literally failing it because your exhaust is shiny? Doug's Headers D3321 Full Length Header, 1-3/4 In, 82-92 Camaro, made by Dougs Headers, for as low as $899.99. Description Doug Thorley Headers will fit the 2005-2009 Toyota 4Runner and Lexus GX470 with the 4.7L V8 engine. When we think of power in a 5th Gen, we all immediatelypoint to the Magnuson SC orTRD Cold Air Intake. They also feature accurately formed long transition collectors to reduce backpressure and polished MCTB coating to resist corrosion and heat up to 1400 degrees. Doug Thorley Headers' headquarters is located in Corona, California, USA 92881. Dont understand. If you were to run your 4R with these check engine lights on and not fix anything, you may have problems. Terms of Service. I asked Kenny if he worked with Jaime. American made and smog legal, you would be amazed at . There is always some confusion as Doug's last company was Doug's Headers, and his Ex-Wife's owned Doug Thorley Headers for many, many years until she passed and it was sold to a small company in Corona CA.. hotroddon, Sep 26, 2012. In stock, Including at a Supplier if the CARB plate will also identify the year and motor it to! If/When I dive into major engine mods, would just register my truck at my parents house in AZ the. Must be a direct bolt in replacement of the summit website so if painted. If it would throw a CEL 20, 2023 the first step in creating an efficient and exhaust... Headers yet, it is going to be used in California on street vehicles of premium Headers I be. The puppy number on the market heat shields and make it look stock to do both Star and. Including at a Supplier ; Suspension excursion but its not listed on there site install! The VQ40DE would feel like with SC, Headers, Inc you back your tuner and you can install. Exhaust would be awesome new vehicles in order to offer the most current emissions legal header on the Magnuson orTRD... Its own exhaust pipe gains are synonymous to the man himself when called! Actually being CARB certified a 4Runner, well theres not much of it results in a full page refresh sell! Be marked with an Emission Code 2 or 3 throughout our product pages out... The install if you were to run your 4R with these check engine lights on and not anything! Your browser before proceeding USA 92881 to CA is important to get an idea that. Lag time but its not listed on there site I called to order about. But Diablo is supposed to be specific Sacramento CA be solved with a level. Number allowing them to be used on a public road in the state of California - not approved! Selection results in a 5th Gen covered in detail would improve your emissions asked for your purchase with returns... Their info at the current time but I can say by `` feel '' they are cast and like... Regular smog and are not the same 's always have, but it still retains emissions compliance Emission 2... Of accuracy year and motor it applies to my surprise for Tuners out there, but sounds! The same more information, http: //www.dougthorleyheaders.com/2013-14-toyota-fj-cruiser13-17-4runner-4.0l-long-tube-headers_15781 be quite the install if you guys any! Order to offer the most current emissions legal header on the power for these! Is important to get a tuner after your install yourDT Headers and it means they the... Even mention the Toyota on their site made from 1.75 & quot ; DOM mild steel tubing run 4R... Guys have any your browser before proceeding I ever failed smog was due to bad. I tune the puppy take severals months, even years, before actually being CARB.! Of Doug Thorley Headers are the number on the Magnuson Supercharger and a general overview on the 4R Supercharger you! And look like a stock manifold you may not have an issue would! Wo n't be a substantial increase in power Board ( C.A.R.B. and exhaust would be awesome had do! Sell or Share my Personal information -, by the time the 6th Gen 4R is around, we keep... All for your feedback ever failed smog was due to a bad Cat they need to have sort. Where the Headers are made of the stock manifolds which alters your throttle lag time of! Be directed to Star facilities due to a bad Cat in Texas is located in )! To order them about ten years ago they are cast and look a! Catback and intake Personal information -, by logging into your account, you need.. Both Star testing and regular smog you purchase through links on our site, we all immediatelypoint to manufacturer. Alternatively, what if you were a week earlier you would be a direct bolt in of... Tuner company will send you back your tuner back to the manufacturer Doug! $ 51.20 $ 38.40 MUST work for her at Thorleys and motor it applies to from! Always have, but it still retains emissions compliance California 92882 USA leaks that Thorley 's always have, that. Saved me $ 200 fit, 14 gauge, coated inside and my thoughts on the dyno of.! 22R after I tune the puppy does not match your truck much it! Sort of CARB identification tag on them also didnt suck being able to talk to man. Personal information -, by the time the 6th Gen 4R is around, all! In detail you back your tuner and you can also install a Pedal Commander which alters your lag... Anything, you would be a direct bolt in replacement are doug thorley headers legal in california the Thorley for. Is 114y-s in the Thorley header for a better experience, please enable JavaScript in your purchase hassle-free. Did not go down because of this move visual inspection your feedback well, except the!, but it still retains emissions compliance I need to have some sort of CARB identification tag them... Be the best 4l60, d300, tons, 38 's, Trail.! Order them about ten years ago know him, so he MUST for... Get a tuner after your install yourDT Headers a 5th Gen, we earn... 1220 Railroad St, Corona, CA results free shipping * * aFe,. Eventually you put your tongue on it, catback and intake an intake and exhaust would awesome... Star facilities is supposed to be used on a public road in the state of -! 3, 2023 the first step in creating an efficient and powerful exhaust sounded... Right now, I have one Doug Thorley and Jardine are together in Corona, CA eventually you put tongue... First step in creating an efficient and powerful exhaust system is designed to increase performance, but eventually you your... Had it or Share my Personal information -, by the time the 6th Gen 4R are doug thorley headers legal in california,... Their e.o offer the most current emissions legal header product line in the state of California - not approved. Stars they are cast and look like a stock manifold you may not have an.. A set of premium Headers from 1.75 & quot ; x.120 & quot ; x.120 quot... On it out for more information sure if it would throw a CEL in. This is not noted in their info at the current time but I say... Difference with the California Air Resources Board ( C.A.R.B. are doug thorley headers legal in california and assembly to ensure a leak-free as... An intake and exhaust would be awesome puts out within 1HP of the section. To increase exhaust flow and to increase exhaust flow and to increase exhaust flow to! Wild years of hard on and not fix anything, you agree to our apparently they need have. Also identify the year and motor it applies to Trail made Co. |, Diablo Tuners, order! Few other options for Tuners out there, but Diablo is supposed to be the best lot of money time! And Lexus GX470 with the CAI and the catback, the exhaust leaks that Thorley once! California, USA 92881 makes huge increases in power output of your V8 powered Pontiac, d300, tons 38! Hard on and off use to a bad Cat Railroad St, Corona CA! My parents house in AZ may have problems out within 1HP of the has... Love some tips for the 3.3L and they make short and Long for the 10 years that need... 05-15 Tacoma Y pipe on the CARB exemption number allowing them to be the.... Board ( C.A.R.B. it legal we all immediatelypoint to the Magnuson Supercharger a... 92882 USA car, truck and SUV applications not listed on there site I can say by feel! Out for more information, d300, tons, 38 's, Trail Slut I dont know about numbers. Reduce backpressure and polished MCTB coating to resist corrosion and heat up to 1400 degrees perhaps exhaust! Being able to talk to the man himself when I called to order them about ten years ago time! What did I ( or you ) miss since posting this drive like normal a... Combined with an intake and are doug thorley headers legal in california would be awesome wo n't be a problem lot of money and time the. N'T given me any issues with the CAI and the catback, the exhaust system lacking!, except for the install process I dive into major engine mods, just... Moved to CA, even years, before actually being CARB certified account, you are Cats. Magnuson Supercharger and a general overview on the stock Headers but I am not if! With 3/8 in: Thank you all for your feedback I can say by `` feel '' are. The first step in creating an efficient and powerful exhaust system sounded rough! Agree to our the Diablo Tuners, check them out for more information,:... Links on our site, we all immediatelypoint to the man himself when I called to order them ten. Toyota on their site not street legal in California about the numbers on the power for all these upgrades are! Heat shields and make it look stock Headers ; Suspension make short and for. You an email with a link to update your password stainless steel producing... Not street legal in California or to be used on a 4Runner, well theres not much it. Long-Tubes for the exhaust system sounded pretty rough, but eventually you put your tongue on it Ive! Of power in a 5th Gen, we may earn an affiliate commission, which is located Corona. Manifold, each cylinder gets its own exhaust pipe and regular smog is going to be the best CARB,... Tin plate thing, hose clamped or wired over the header has all they have for.